Wetland: A Literature Review Of Wetlands

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Literature review: A wetland is an area that is covered by water throughout the year or throughout parts of the year. Wetlands have many functions such as providing a home for organisms but more importantly filtering and cleaning the water. A wetland’s health can be determined through the organisms that live there and whether or not it purifies the water. When testing for the health of the water one can test many aspects, and because water is the most important part of the wetland, it is important to test as many aspects of water to ensure its quality. Turbidity is finding if the water is clear or not. Turbidity is caused by suspended solid matter in the water and high can be caused by numerous things such as: soil erosion, algal growth and urban runoff. High levels are tubidity is bad because the water losses the ability to support life in the water as the solid matter can block out sunlight [1]. Nitrates and nitrites are chemicals mainly from fertilizers which come from sewage discharge or run-offs from farms nearby. Excessive algea growth can be caused by the presence if nitrates in water which can cause a loss of aquatic life as the algea will block off sunlight into the water [1] . pH is to measure if the water is acidic or basic. The most ideal pH for unpolluted water is around 6.5 to 8.5. If the water is acidic or basic the chances of it being polluted is greater and because most organisms are only suited for certain pH levels [1] . Temperature of the water affects

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